You should probably use some different wall textures so that people don't automatically go "Oh hey this is like THZ." and instead go "Oh hey this was inspired by THZ." Also as the level goes on you'll probably want a few gimmicks to make it stand apart even more.

You should probably use some different wall textures so that people don't automatically go "Oh hey this is like THZ." and instead go "Oh hey this was inspired by THZ." Also as the level goes on you'll probably want a few gimmicks to make it stand apart even more.